Sharp | R-408JWF | R402xxF no TOC Front page

SUPPLEMENTAL SERVICE MANUAL
S75M256R4X5XF
MICROWAVE OVENS
R-402JKF, R-402JWF, R-408HSF, R-408JKF,
R-408JWF, R-426HSF, R-428JKF, R-428JWF,
R-510HKF, R-510HWF, R-520JKF
This is a supplemental Service Manual for Microwave Oven models:
R-402JKF, R-402JWF, R-408HSF, R-408JKF,R-408JWF, R-426HSF, R-428JKF, R-428JWF,
R-510HKF, R-510HWF, R-520JKF.
These models are quite similar to the base models:
R-402JK, R-402JW, R-408HS, R-408JK,R-408JW, R-426HS, R-428JK, R-428JW,
R-510HK, R-510HW, R-520JK.
This supplemental manual must be used in conjunction with the base model service manual for
complete operation, service, safety and replacement parts information.
This supplemental manual is being issued to comply with the new FCC standards, that all
Microwave models produced from July 2005 must have a noise filter unit included, plus any
associated parts.
In the interest of user-safety the oven should be restored to its original condition and only parts identical to those specified
should be used.
WARNING TO SERVICE PERSONNEL: Microwave ovens contain circuitry capable of producing very high voltage and
current, contact with following parts may result in a severe, possibly fatal, electrical shock. (High Voltage Capacitor,
High Voltage Power Transformer, Magnetron, High Voltage Rectifier Assembly, High Voltage Harness etc..)
SHARP ELECTRONCS CORPORATION
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
Service Headquarters: Sharp Plaza, Mahwah, New Jersey, 07430-2135
NEW SCHEMATIC
CAVITY
TEMPERATURE
FUSE
MAGNETRON
TEMPERATURE
FUSE
ORG
ORG
RED
RED
BRN
ORG
RED
N.O.
GRN
GRN
COM.
(RY1)
COM.
GRY
ORG
ORG
RED
MONITOR
SWITCH
N.C.
WHT
WHT
FM FAN
MOTOR
HIGH
VOLTAGE
RECTIFIER
COM.
WHT
WHT
BRN
TURN
TTM TABLE
MOTOR
OVEN
LAMP
WHT
OL
GRY
"TO LOAD"
WHT
WHT
ORG
C3
NOISE
FILTER
HIGH
VOLTAGE
CAPACITOR
xx μF
F1
OVEN
LAMP
RELAY
C1
"TO SOURCE"
HUMIDITY
SENSOR
CONTROL UNIT
COM.
WHT
N.O.
C2
R2
F3
F2
GND
N
PNK
B1
(RY2)
SECONDARY
INTERLOCK
RELAY
MONITOR
FUSE (20A)
GRN
POWER
TRANSFORMER
RED
RED
"TO LOAD"
"TO SOURCE"
BLK
H
120VAC
60Hz
DOOR
SENSING
SWITCH
MAGNETRON
GRN
GRN
B2
N.O.
WHT
GRY
WHT PRIMARY WHT
INTERLOCK
SWITCH
NOTES:
1.CIRCUITS SUBJECT TO CHANGE WITHOUT NOTICE.
2. TERMINAL WITH PROJECTION OR OPPOSITE BLUE MARK ON LAMP SOCKET
MUST BE CONNECTED TO NEUTRAL WIRE.
3. ONLY CERTAIN MODELS USE THE ABSOLUTE HUMIDITY SENSOR.
4. POWER TRANSFORMER TOP (FINISH LEAD) TERMINAL MUST BE CONNECTED TO THE NEUTRAL (WHT) WIRE.
CHANGED PARTS
FW-VZB268MRE0
QFS-TA013WRE0
FPWBFA380WRKZ
LANGQB025MRP0
FFS-BA016/KIT
Main wire harness
Main wire harness
Magnetron temp fuse
Noise filter unit
Noise unit angle
Monitor switch (V-16G-2C25) and fuse assembly (20A 250V AC)
Magnetron
temp
fuse
1
1
1
1
1
AX
AE
AM
AE
AF
Monitor switch
and
fuse assembly
Noise filter unit
Noise unit angle
Actual wire harness may be different from illustration.
Monitor switch
and
fuse assembly
Download PDF

advertising